LiftMaster 8500 Elite Series 8500 Jackshaft Operator, Factory Direct This sleek, space-saving design mounts on the wall beside your garage door, freeing up ceiling space This elite series model comes fully equipped with security 2.0, myq Get reliable, durable and powerful performance with our p3 motors Runs ultra-quiet by eliminating sound and vibrations through the ceiling Not compatible with roll up doors, low headroom track, wayne dalton torquemaster Must have a front mount torsion bar system